# ParaView Support

**URL:** https://discourse.paraview.org/c/paraview-support/7.md?page=40

[Latest](https://discourse.paraview.org/latest.md) · [Categories](https://discourse.paraview.org/categories.md) · [Tags](https://discourse.paraview.org/tags.md)

**Page:** 41

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## [Manipulation of field files](https://discourse.paraview.org/t/manipulation-of-field-files/14774)

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**Author:** [@Pranay\_006](https://discourse.paraview.org/u/Pranay_006)\
**Replies:** 5\
**Last updated:** [June 14, 2024, 3:49pm UTC](https://discourse.paraview.org/t/manipulation-of-field-files/14774 "2024-06-14T15:49:03Z")

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I am trying to manipulate field files generated from spectral element solver NEKO (successor of NEK5000). I need a Cp vs x/c plot but I cannot identify the surface of the airfoil. Can you suggest if Paraview can manipula…

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## [Stress strain/stretch output using .vtu/.vtp files](https://discourse.paraview.org/t/stress-strain-stretch-output-using-vtu-vtp-files/14847)

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**Author:** [@bryceclink](https://discourse.paraview.org/u/bryceclink)\
**Replies:** 0\
**Last updated:** [June 13, 2024, 11:57pm UTC](https://discourse.paraview.org/t/stress-strain-stretch-output-using-vtu-vtp-files/14847 "2024-06-13T23:57:07Z")

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Hello, Sry if this seems trivial. I am trying to learn Paraview post processing from Simvascular vtp/vtu files. I was trying to see if it is possible to export engineering stress and strain/stretch outputs from paraview…

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## [Transfert PointData from mesh to another](https://discourse.paraview.org/t/transfert-pointdata-from-mesh-to-another/14835)

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**Author:** [@Uraeus](https://discourse.paraview.org/u/Uraeus)\
**Replies:** 1\
**Last updated:** [June 13, 2024, 11:38am UTC](https://discourse.paraview.org/t/transfert-pointdata-from-mesh-to-another/14835 "2024-06-13T11:38:43Z")

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Hello Everybody, I need some help please. I have two similar meshes A and B with a temperature PointData TA (define on A) and TB (define on B). I need to calculate (TA-TB) and show it on A mesh for example. I tried wit…

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## [Are Data Range Labels fixed in latest release?](https://discourse.paraview.org/t/are-data-range-labels-fixed-in-latest-release/14839)

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**Author:** [@GregVernon](https://discourse.paraview.org/u/GregVernon)\
**Replies:** 2\
**Last updated:** [June 13, 2024, 11:38am UTC](https://discourse.paraview.org/t/are-data-range-labels-fixed-in-latest-release/14839 "2024-06-13T11:38:04Z")

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I just reported a bug (https://gitlab.kitware.com/paraview/paraview/-/issues/22661) where, in 5.12.0, the data range labels are incorrect – see if you can spot the issue: For various reasons, I can’t update to 5.12.1 …

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## [Angle of attack of an airfoil](https://discourse.paraview.org/t/angle-of-attack-of-an-airfoil/14833)

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**Author:** [@ncharala](https://discourse.paraview.org/u/ncharala)\
**Replies:** 3\
**Last updated:** [June 12, 2024, 1:46pm UTC](https://discourse.paraview.org/t/angle-of-attack-of-an-airfoil/14833 "2024-06-12T13:46:38Z")

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Hi what tools can be used in paraview to find the angle of attack of an airfoil ? Thank you Nicolas

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## [Accelerating VTK processing](https://discourse.paraview.org/t/accelerating-vtk-processing/14503)

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**Author:** [@WarinSpace\_Game](https://discourse.paraview.org/u/WarinSpace_Game)\
**Replies:** 3\
**Last updated:** [June 12, 2024, 1:37pm UTC](https://discourse.paraview.org/t/accelerating-vtk-processing/14503 "2024-06-12T13:37:27Z")

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The following code loads a .vtk file, does some processing, and exports the output as a .vtp file: # Read VTK reader = vtkStructuredGridReader() reader.SetFileName(filename + ".vtk") # Extract surface surface\_filter = …

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## [ViewSize not respected in PVSM file](https://discourse.paraview.org/t/viewsize-not-respected-in-pvsm-file/14759)

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**Author:** [@madmoonman](https://discourse.paraview.org/u/madmoonman)\
**Replies:** 7\
**Last updated:** [June 11, 2024, 2:00pm UTC](https://discourse.paraview.org/t/viewsize-not-respected-in-pvsm-file/14759 "2024-06-11T14:00:04Z")

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Hello, I have a question regarding the ViewSize. I am regularly working from 2 different computers with different screen sizes. When I open a State that was built on the other computer, it looks differently (positions o…

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## [Streamlines for vtu File](https://discourse.paraview.org/t/streamlines-for-vtu-file/14819)

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**Author:** [@Pascal\_P](https://discourse.paraview.org/u/Pascal_P)\
**Replies:** 2\
**Last updated:** [June 10, 2024, 4:46pm UTC](https://discourse.paraview.org/t/streamlines-for-vtu-file/14819 "2024-06-10T16:46:40Z")

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Hello, I am trying to apply the stream tracer to the following vtu file. output.vtu (129.4 KB) But I don’t get any Streamlines. My question is, is it because of the data or am I doing something wrong? The data is the…

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## [Segmentation fault after recent update of Ubuntu 22.04](https://discourse.paraview.org/t/segmentation-fault-after-recent-update-of-ubuntu-22-04/13997)

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**Author:** [@kakila](https://discourse.paraview.org/u/kakila)\
**Replies:** 14\
**Last updated:** [June 10, 2024, 1:31pm UTC](https://discourse.paraview.org/t/segmentation-fault-after-recent-update-of-ubuntu-22-04/13997 "2024-06-10T13:31:41Z")

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After a resent update of ubuntu $ cat /var/log/apt/history.log ... Start-Date: 2024-02-20 18:50:20 Commandline: aptdaemon role='role-commit-packages' sender=':1.236' Upgrade: libglx-mesa0:amd64 (23.0.4-0ubuntu1~22.04.1…

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## [Could not file a bug report in Gitlab, false positive as spam.](https://discourse.paraview.org/t/could-not-file-a-bug-report-in-gitlab-false-positive-as-spam/14814)

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**Author:** [@Andythe\_great](https://discourse.paraview.org/u/Andythe_great)\
**Replies:** 3\
**Last updated:** [June 10, 2024, 11:30am UTC](https://discourse.paraview.org/t/could-not-file-a-bug-report-in-gitlab-false-positive-as-spam/14814 "2024-06-10T11:30:53Z")

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Hi, I could not post bug report in ParaView Gitlab repo. The form contains the following error: Your issue has been recognized as spam. Please, change the content to proceed. My report is Title Error build fro…

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## [Vtk animation doesn't work](https://discourse.paraview.org/t/vtk-animation-doesnt-work/14810)

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**Author:** [@Luca\_Pedone](https://discourse.paraview.org/u/Luca_Pedone)\
**Replies:** 6\
**Last updated:** [June 10, 2024, 10:44am UTC](https://discourse.paraview.org/t/vtk-animation-doesnt-work/14810 "2024-06-10T10:44:31Z")

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Hi everyone, I made a simulation with OpenFoam and I am checking the results on Paraview. There are many .vtk files created in the simulation and I can see them perfecty. The problem is that the animation doesn’t work, …

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## [Paraview doesn't read vtk xml with appended data written as base64](https://discourse.paraview.org/t/paraview-doesnt-read-vtk-xml-with-appended-data-written-as-base64/9203)

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**Author:** [@jpmorr](https://discourse.paraview.org/u/jpmorr)\
**Replies:** 1\
**Last updated:** [June 10, 2024, 9:14am UTC](https://discourse.paraview.org/t/paraview-doesnt-read-vtk-xml-with-appended-data-written-as-base64/9203 "2024-06-10T09:14:17Z")

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Hi, I’m using python to create my VTK files in an XML format and I’ve managed to get everything working for ascii files, binary files and appended files with raw encoding. However I am unable to get the appended data to…

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## [how to view topographic monitoring data](https://discourse.paraview.org/t/how-to-view-topographic-monitoring-data/14800)

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**Author:** [@FelixITA](https://discourse.paraview.org/u/FelixITA)\
**Replies:** 1\
**Last updated:** [June 10, 2024, 8:23am UTC](https://discourse.paraview.org/t/how-to-view-topographic-monitoring-data/14800 "2024-06-10T08:23:41Z")

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Hello, I am new of ParaView maybe it’s very simple. I have a CSV file with topographic reference points: name,X,Y,Z and a big CSV file of monitoring data: ref\_name, date and time, dX, dY, dZ Now I would like to view…

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## [Does Paraview support exporting/converting to dwg files?](https://discourse.paraview.org/t/does-paraview-support-exporting-converting-to-dwg-files/14812)

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**Author:** [@quanNguyen](https://discourse.paraview.org/u/quanNguyen)\
**Replies:** 2\
**Last updated:** [June 10, 2024, 8:16am UTC](https://discourse.paraview.org/t/does-paraview-support-exporting-converting-to-dwg-files/14812 "2024-06-10T08:16:24Z")

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Dear Admin Admin, please help me. Does lib Paraview support exporting/converting to dwg files with the free version? Thanks!

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## [Help renaming objects from CSV data table](https://discourse.paraview.org/t/help-renaming-objects-from-csv-data-table/14792)

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**Author:** [@lhabeeb](https://discourse.paraview.org/u/lhabeeb)\
**Replies:** 2\
**Last updated:** [June 7, 2024, 3:06pm UTC](https://discourse.paraview.org/t/help-renaming-objects-from-csv-data-table/14792 "2024-06-07T15:06:11Z")

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I am working to create a network of a lot of spheres in paraview. I have coordinates and their respective names in a spreadsheet that I imported to paraview as a CSV. I am creating everything through the python shell u…

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## [Paraview Appended Encoded .vtu file not working](https://discourse.paraview.org/t/paraview-appended-encoded-vtu-file-not-working/14799)

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**Author:** [@jpmorr](https://discourse.paraview.org/u/jpmorr)\
**Replies:** 2\
**Last updated:** [June 7, 2024, 3:01pm UTC](https://discourse.paraview.org/t/paraview-appended-encoded-vtu-file-not-working/14799 "2024-06-07T15:01:00Z")

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I’m trying to get Paraview to work with with appended encoded vtk files but something is not correct in either the vtk file or paraview’s way of writing it. Let’s say I have the following .vtu file that I open in Paravi…

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## [Using Paraview in parallel](https://discourse.paraview.org/t/using-paraview-in-parallel/14794)

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**Author:** [@akshay0809](https://discourse.paraview.org/u/akshay0809)\
**Replies:** 1\
**Last updated:** [June 7, 2024, 8:09am UTC](https://discourse.paraview.org/t/using-paraview-in-parallel/14794 "2024-06-07T08:09:16Z")

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Hello, I am trying to use paraview in a HPC environment. I want to utilize GPUs for rendering and also use multiple cores for performing quicker calculations . I have previously tried running using mpirun -np 24 pvserve…

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## [negative volume in all cell data](https://discourse.paraview.org/t/negative-volume-in-all-cell-data/14758)

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**Author:** [@Basant\_Regmi](https://discourse.paraview.org/u/Basant_Regmi)\
**Replies:** 7\
**Last updated:** [June 6, 2024, 7:09pm UTC](https://discourse.paraview.org/t/negative-volume-in-all-cell-data/14758 "2024-06-06T19:09:21Z")

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I was trying to post process my CFD result of a blood vessel using paraview, When I was trying to check the volume using integrate variables, it is showing me the negative value for volume. I could not figure out the iss…

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## [Visualizing CFD results like in FluidX3D](https://discourse.paraview.org/t/visualizing-cfd-results-like-in-fluidx3d/14731)

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**Author:** [@ArminAmarr](https://discourse.paraview.org/u/ArminAmarr)\
**Replies:** 5\
**Last updated:** [June 6, 2024, 6:48am UTC](https://discourse.paraview.org/t/visualizing-cfd-results-like-in-fluidx3d/14731 "2024-06-06T06:48:30Z")

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Hi, Sorry for the beginner’s question :slight\_smile: I’ve generated VTK files containing velocity (u) in FluidX3D and would like to get it visualized like in the video. Could you please advise me on the proper way to …

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## [paraview.simple Render() from different threads crashes](https://discourse.paraview.org/t/paraview-simple-render-from-different-threads-crashes/14786)

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**Author:** [@Torben](https://discourse.paraview.org/u/Torben)\
**Replies:** 1\
**Last updated:** [June 6, 2024, 12:19am UTC](https://discourse.paraview.org/t/paraview-simple-render-from-different-threads-crashes/14786 "2024-06-06T00:19:22Z")

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Hello, I am trying to render from different threads (Ubuntu 22.04 and python 3.10.12). Apparently, X11 has problems with concurrent rendering. The example below crashes at the call to Render() inside threadFun with the …

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## [Output Pressure confficient over cylinder surface](https://discourse.paraview.org/t/output-pressure-confficient-over-cylinder-surface/9091)

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**Author:** [@xq520](https://discourse.paraview.org/u/xq520)\
**Replies:** 3\
**Last updated:** [June 5, 2024, 5:54pm UTC](https://discourse.paraview.org/t/output-pressure-confficient-over-cylinder-surface/9091 "2024-06-05T17:54:03Z")

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Hello everyone, I am a new guy to paraview. I want to extract pressure confficient (Cp) on the circle surface. But I don’t know how to do it? Could anyone help me? Thanks for a lot. Beat regards

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## [How to view the cell edges in the inetrior of a 3d volume](https://discourse.paraview.org/t/how-to-view-the-cell-edges-in-the-inetrior-of-a-3d-volume/14779)

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**Author:** [@florian360](https://discourse.paraview.org/u/florian360)\
**Replies:** 3\
**Last updated:** [June 5, 2024, 3:07pm UTC](https://discourse.paraview.org/t/how-to-view-the-cell-edges-in-the-inetrior-of-a-3d-volume/14779 "2024-06-05T15:07:49Z")

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When you have a 3D volume composed of multiple cells: The Point Gaussian representation allows you to see interior points. The Volume representation allows you to see the interior of the volume. The Wireframe represent…

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## [WarpByVector: cannot get data from input object in a python script](https://discourse.paraview.org/t/warpbyvector-cannot-get-data-from-input-object-in-a-python-script/14740)

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**Author:** [@Trophime](https://discourse.paraview.org/u/Trophime)\
**Replies:** 6\
**Last updated:** [June 5, 2024, 2:45pm UTC](https://discourse.paraview.org/t/warpbyvector-cannot-get-data-from-input-object-in-a-python-script/14740 "2024-06-05T14:45:18Z")

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Hi, I’m trying to automate some postprocessing. I would like to generate view of fields on a deformed geometry I’ve tried something like that: warpByVector1 = WarpByVector(Input=input) warpByVector1.Vectors = \[“POIN…

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## [Distance of a point to a surface](https://discourse.paraview.org/t/distance-of-a-point-to-a-surface/14777)

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**Author:** [@Ali1990dashti](https://discourse.paraview.org/u/Ali1990dashti)\
**Replies:** 1\
**Last updated:** [June 5, 2024, 2:38pm UTC](https://discourse.paraview.org/t/distance-of-a-point-to-a-surface/14777 "2024-06-05T14:38:23Z")

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Dear cummunity, I am using Paraview 5.12.0 and want to calculate the orthogonal distance of a point to a surface. At the moment I am using a Ruler and visually check whether the seond point of the Ruler makes a perpendi…

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## [Paraview error: Segmentation fault](https://discourse.paraview.org/t/paraview-error-segmentation-fault/14771)

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**Author:** [@Anuhya](https://discourse.paraview.org/u/Anuhya)\
**Replies:** 2\
**Last updated:** [June 5, 2024, 11:16am UTC](https://discourse.paraview.org/t/paraview-error-segmentation-fault/14771 "2024-06-05T11:16:55Z")

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Hello, I have installed Paraview and can open it manually and it works fine. However, while trying to open it in wsl window I’m getting an error. I tried the command paraFoam, paraFoam -touch later paraview& but I’m ge…

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## [pressure over four cylinder](https://discourse.paraview.org/t/pressure-over-four-cylinder/14776)

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**Author:** [@Abdelwahab\_Aiche](https://discourse.paraview.org/u/Abdelwahab_Aiche)\
**Replies:** 0\
**Last updated:** [June 5, 2024, 11:13am UTC](https://discourse.paraview.org/t/pressure-over-four-cylinder/14776 "2024-06-05T11:13:40Z")

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Hi all, how to plot the pressure curves in functions of the angle (0 to 360) over a cylinder. the study is a numerical simulation of a turbulent flow around four cylinders in square configuration, I used Gmsh for geomet…

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## [Semtex's Dog \*.plt file obtained with tool 'meshpr' is not being read by Paraview.](https://discourse.paraview.org/t/semtexs-dog-plt-file-obtained-with-tool-meshpr-is-not-being-read-by-paraview/14770)

<div class="topic-metadata">

**Author:** [@Gilberto\_Montiel](https://discourse.paraview.org/u/Gilberto_Montiel)\
**Replies:** 1\
**Last updated:** [June 5, 2024, 6:43am UTC](https://discourse.paraview.org/t/semtexs-dog-plt-file-obtained-with-tool-meshpr-is-not-being-read-by-paraview/14770 "2024-06-05T06:43:59Z")

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Hello everyone. I am using the Dog tool from the Semtex CFD solver. When running the command meshpr, a \*.plt file is obtained, that should be read by Tecplot. The program documentation says that Paraview should also be …

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## [Issues with Segmentation Faults](https://discourse.paraview.org/t/issues-with-segmentation-faults/14765)

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**Author:** [@arnav\_sethi](https://discourse.paraview.org/u/arnav_sethi)\
**Replies:** 14\
**Last updated:** [June 5, 2024, 6:37am UTC](https://discourse.paraview.org/t/issues-with-segmentation-faults/14765 "2024-06-05T06:37:28Z")

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As a complete beginner to OpenFoam, I was installing openfoam11 by following the instructions from their website. As i was trying to enable the graphical applications, I ran into a segmentation fault while typing in the …

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## [Decompose polyhedra and OpenFOAM](https://discourse.paraview.org/t/decompose-polyhedra-and-openfoam/14766)

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**Author:** [@KasperWayne](https://discourse.paraview.org/u/KasperWayne)\
**Replies:** 2\
**Last updated:** [June 4, 2024, 3:30pm UTC](https://discourse.paraview.org/t/decompose-polyhedra-and-openfoam/14766 "2024-06-04T15:30:25Z")

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Hi, I recently upgraded to v5.12.0 (using Windows 10) and noticed that when I use the “Decompose polyhedra” to load my OpenFOAM cases, that I get a warning that the feature is highly deprecated and will be removed in th…

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## [Python algorithm does not render in 3D](https://discourse.paraview.org/t/python-algorithm-does-not-render-in-3d/14583)

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**Author:** [@lucasmyers97](https://discourse.paraview.org/u/lucasmyers97)\
**Replies:** 11\
**Last updated:** [June 4, 2024, 3:11pm UTC](https://discourse.paraview.org/t/python-algorithm-does-not-render-in-3d/14583 "2024-06-04T15:11:58Z")

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I’m currently using Paraview 5.12.0 and I cannot get the default Python Algorithm filter to render. My data is a .pvtu file along with the accompanying .vtu files for an unstructured grid. I’ve copied and pasted the fini…

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